<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <!-- import CSS -->
  <link rel="stylesheet" href="css/eui.css">
  <style>
    .c1{
      border:1px solid palegreen;
      border-radius: 5px;
    }
  </style>
</head>
<body>
<div id="app">
<el-row>
  <el-col :span="12"><div class="c1">占12</div></el-col>
  <el-col :span="12"><div class="c1">占12</div></el-col>
</el-row>
  <el-row gutter="20">
    <el-col span="8"><div class="c1">占8</div> </el-col>
    <el-col span="8"><div class="c1">占8</div> </el-col>
    <el-col span="8"><div class="c1">占8</div> </el-col>
  </el-row>
</div>
</body>
<!-- import Vue before Element -->
<script src="js/vue.js"></script>
<!-- import JavaScript -->
<script src="js/eui.js"></script>
<script>
  let v = new Vue({
    el: '#app',
    data: function() {
      return {

      }
    }
  })
</script>
</html>